/*
 * Copyright 2024 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package com.linqingying.cangjie.contracts

import com.linqingying.cangjie.descriptors.CallableDescriptor
import com.linqingying.cangjie.descriptors.FunctionDescriptor
import com.linqingying.cangjie.metadata.ProtoBuf
import com.linqingying.cangjie.metadata.deserialization.TypeTable
import com.linqingying.cangjie.serialization.deserialization.DeserializationConfiguration
import com.linqingying.cangjie.serialization.deserialization.TypeDeserializer
import com.linqingying.cangjie.storage.StorageManager


class ContractDeserializerImpl(
    private val configuration: DeserializationConfiguration,
    private val storageManager: StorageManager
) : ContractDeserializer {
    override fun deserializeContractFromFunction(
        proto: ProtoBuf.Function,
        ownerFunction: FunctionDescriptor,
        typeTable: TypeTable,
        typeDeserializer: TypeDeserializer
    ): Pair<CallableDescriptor.UserDataKey<*>, ContractProvider>? {
        if (!proto.hasContract()) return null
        if (!configuration.readDeserializedContracts) return null
//        val worker = ContractDeserializationWorker(typeTable, typeDeserializer, ownerFunction, storageManager)
//        val contract = worker.deserializeContract(proto.contract) ?: return null
//        return ContractProviderKey to ContractProviderImpl(contract)
        return ContractProviderKey to ContractProvider.Companion.Default

    }
}
object ContractProviderKey : CallableDescriptor.UserDataKey<AbstractContractProvider?>
